CN220410528U - Dual braking device for automobile brake - Google Patents
Dual braking device for automobile brake Download PDFInfo
- Publication number
- CN220410528U CN220410528U CN202321433114.6U CN202321433114U CN220410528U CN 220410528 U CN220410528 U CN 220410528U CN 202321433114 U CN202321433114 U CN 202321433114U CN 220410528 U CN220410528 U CN 220410528U
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- brake
- drum
- disc
- shoes
- oil cylinder
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- 230000009977 dual effect Effects 0.000 title claims abstract description 17
- 230000000694 effects Effects 0.000 abstract description 9
- 239000002131 composite material Substances 0.000 abstract description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses an automobile brake double-braking device, which comprises a brake drum disc, wherein the main body of the brake drum disc is a back disc, a drum ring is fixedly welded at the outer edge of the back disc, and two groups of braking blocks with opposite positions are fixedly arranged on the inner wall of the back disc; two groups of outer brake shoes and inner brake shoes which are opposite in position are arranged on the inner side of the brake drum; a main oil cylinder and a secondary oil cylinder which are positioned between the two groups of outer brake shoes and the inner brake shoes are fixedly arranged on the inner wall of the back disc in the brake drum; according to the dual braking device for the automobile brake, through the arrangement of the outer brake shoe and the inner brake shoe on the inner side of the brake drum disc, when an automobile hydraulic system conveys oil bodies to the main oil cylinder and the auxiliary oil cylinder, the outer walls of the outer brake shoe and the inner brake shoe are tightly attached to the inner walls of the drum ring and the brake block, two friction forces are generated during braking, and the friction forces received by the whole brake drum disc are the composite of the two friction forces, so that the dual braking effect can be achieved.
Description
Technical Field
The utility model relates to the technical field of automobile brake, in particular to an automobile brake double-brake device.
Background
The automobile is the most commonly used transportation means in people's life, provides convenience for people's life, but also has some potential safety hazards, such as traffic accidents caused by brake faults, and common braking devices include drum brakes and disc brakes, and drum brakes are braking devices which utilize stationary brake pads in brake drums to rub the brake drums rotating along with wheels so as to generate friction force to reduce the rotation speed of the wheels.
Through searching, in the application with the patent application number of CN201820615605.5, an automobile brake dual-braking device is disclosed, which comprises a brake disc and a brake caliper body, and is characterized in that the brake caliper body is arranged above the brake disc, a connecting plate is arranged above the brake caliper body, a hydraulic telescopic cylinder is arranged on the connecting plate, a first piston is arranged on the hydraulic telescopic cylinder, the hydraulic telescopic cylinder is connected with a driving device, a first braking plate is arranged at the bottom of a fixed seat, a first friction plate is arranged on the first braking plate, a braking cylinder is arranged at one end of a brake caliper arm far away from the fixed seat, a second piston is arranged in the braking cylinder, a second braking plate is fixed at the output end of the second piston, and second friction is arranged on the second braking plate; the application document has the advantages that the corresponding friction force is realized between the brake discs through the arrangement of the brake discs and the friction discs, the corresponding friction force is generated between the brake discs and the friction discs by assembling a corresponding group of brake discs on the inner sides of the existing brake discs, only one heavy brake is needed, the effect is poor, and the application document has two groups of brake discs on the left side and the right side, the structural volume is relatively large, the brake disc is not suitable for being assembled in a vehicle hub, and the practicability is low.
Therefore, we propose a dual braking device for automobile brake.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an automobile brake dual-braking device, which solves the problem of poor single-brake braking effect of the prior device.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the dual braking device for the automobile brake comprises a brake drum, wherein an outer brake shoe is assembled on the inner side of the brake drum, and a corresponding hand brake spring and a self-adjusting spring set are arranged on the inner side of the brake drum;
the main body of the brake drum disc is a back disc, a drum ring is fixedly welded at the outer edge of the back disc, and two groups of brake blocks with opposite positions are fixedly arranged on the inner wall of the back disc;
two groups of outer brake shoes and inner brake shoes which are opposite in position are arranged on the inner side of the brake drum disc, the outer brake shoes are arranged between the drum ring and the brake blocks, and the inner brake shoes are arranged on the inner side of the brake blocks;
a main oil cylinder and an auxiliary oil cylinder which are positioned between the two groups of outer brake shoes and the inner brake shoes are fixedly arranged on the inner wall of the back disc in the brake drum.
Preferably, the two ends of the main oil cylinder and the auxiliary oil cylinder are provided with ejector rods, and the main oil cylinder and the auxiliary oil cylinder are communicated with an automobile hydraulic system.
Preferably, the brake blocks on the inner wall of the brake drum disc are arc blocks with 90 degrees of radian.
Preferably, the outer brake shoes and the inner brake shoes are provided with hook grooves, and corresponding reset spring columns are hooked in the hook grooves between the two groups of outer brake shoes and the inner brake shoes.
Preferably, the brake drum is of the same overall specification as a conventional brake drum.
Preferably, the outer brake shoe and the inner brake shoe are assembled on the backboard on the inner side of the brake drum disc through screws with springs.
The utility model provides a dual braking device for automobile braking. The beneficial effects are as follows:
according to the automobile brake dual-braking device, through the arrangement of the outer brake shoes and the inner brake shoes on the inner side of the brake drum disc, when an automobile hydraulic system conveys oil bodies to the main oil cylinder and the auxiliary oil cylinder, ejector rods can be ejected out to two sides, so that the outer walls of the outer brake shoes and the inner brake shoes are expanded outwards, the outer walls of the outer brake shoes and the inner brake shoes are tightly attached to the inner walls of the drum ring and the brake blocks, two friction forces are generated during braking, the friction forces received by the whole brake drum disc are compounded by the two friction forces, the dual-braking effect can be achieved, meanwhile, the volume of the brake drum disc is not additionally increased, normal assembly of the brake drum disc is facilitated, and the problem that the single-brake effect of the existing device is poor is solved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a brake drum of the present utility model;
FIG. 3 is a schematic view of the inside of the brake drum of the present utility model;
fig. 4 is a schematic structural view of a brake shoe of the present utility model.
In the figure: 1. a brake drum; 11. a drum ring; 12. a brake block; 2. a master cylinder; 3. an auxiliary oil cylinder; 4. an outer brake shoe; 5. an inner brake shoe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the embodiment of the present utility model provides a technical solution: the utility model provides a dual arresting gear of car brake, includes brake drum dish 1, and the inboard of brake drum dish 1 is equipped with outer brake shoe 4, and the inboard of brake drum dish 1 is provided with corresponding manual brake spring and self-regulating spring group.
The main body of the brake drum disc 1 is a back disc, a drum ring 11 is fixedly welded at the outer edge of the back disc, and two groups of brake blocks 12 with opposite positions are fixedly arranged on the inner wall of the back disc;
two groups of outer brake shoes 4 and inner brake shoes 5 which are opposite in position are arranged on the inner side of the brake drum disc 1, the outer brake shoes 4 are arranged between the drum ring 11 and the brake blocks 12, and the inner brake shoes 5 are arranged on the inner side of the brake blocks 12;
a main oil cylinder 2 and a secondary oil cylinder 3 which are positioned between two groups of outer brake shoes 4 and inner brake shoes 5 are fixedly arranged on the inner wall of the back disc in the brake drum disc 1;
in this embodiment, it should be noted that, in this dual braking device for an automobile brake, through the arrangement of the outer brake shoes 4 and the inner brake shoes 5 inside the brake drum 1, when the automobile hydraulic system conveys the oil body to the main oil cylinder 2 and the auxiliary oil cylinder 3, the ejector rods can be ejected to two sides, so that the outer walls of the outer brake shoes 4 and the inner brake shoes 5 are expanded outwards, and further the outer walls of the outer brake shoes 4 and the inner brake shoes 5 can be tightly attached to the inner walls of the drum ring 11 and the brake block 12, and further two friction forces are generated during braking, and the friction force received by the whole brake drum 1 is the composite of the two friction forces, so that the dual braking effect can be achieved, and meanwhile, the volume of the brake drum 1 is not additionally increased, so that the normal assembly of the brake drum is convenient, and the problem that the single braking effect of the existing device is poor is solved.
In this embodiment, it should be noted that the two ends of the master cylinder 2 and the slave cylinder 3 are provided with ejector pins, and the master cylinder 2 and the slave cylinder 3 are communicated with the hydraulic system of the automobile.
In this embodiment, it should be noted that the brake pads 12 on the inner wall of the brake drum 1 are arc pads with an arc of 90 °.
In this embodiment, it should be noted that, the outer brake shoes 4 and the inner brake shoes 5 are provided with hook grooves, and corresponding return spring posts are hooked in the hook grooves between the two sets of outer brake shoes 4 and the inner brake shoes 5.
In the present embodiment, it should be added that the overall specification of the brake drum 1 is the same as that of a conventional brake drum.
In the present exemplary embodiment, the outer brake shoe 4 and the inner brake shoe 5 are mounted on the backing plate on the inner side of the brake drum 1 by means of spring-loaded screws.
The working principle and the using flow of the utility model are as follows: when the device works, the brake drum disc 1 and components on the inner side of the brake drum disc are assembled on the inner side of the hub, and when the brake is braked, an automobile hydraulic system can transmit oil bodies to the main oil cylinder 2 and the auxiliary oil cylinder 3, ejector rods are ejected to two sides simultaneously, so that two groups of outer brake shoes 4 and inner brake shoes 5 are outwards expanded, the outer walls of the two groups of outer brake shoes are tightly attached to the inner walls of the drum ring 11 and the brake block 12, two friction forces are generated, and the friction force born by the brake drum disc 1 is the sum of the two groups of friction forces, so that the dual brake effect is realized, and the problem that the single brake effect of the existing brake is poor is solved.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The dual braking device for the automobile brake comprises a brake drum (1), wherein an outer brake shoe (4) is assembled on the inner side of the brake drum (1), and corresponding hand brake springs and self-adjusting spring groups are arranged on the inner side of the brake drum (1);
the method is characterized in that: the main body of the brake drum disc (1) is a back disc, a drum ring (11) is fixedly welded at the outer edge of the back disc, and two groups of brake blocks (12) with opposite positions are fixedly arranged on the inner wall of the back disc;
two groups of outer brake shoes (4) and inner brake shoes (5) which are opposite in position are arranged on the inner side of the brake drum (1), the outer brake shoes (4) are arranged between a drum ring (11) and a brake block (12), and the inner brake shoes (5) are arranged on the inner side of the brake block (12);
a main oil cylinder (2) and a secondary oil cylinder (3) which are positioned between two groups of outer brake shoes (4) and inner brake shoes (5) are fixedly arranged on the inner wall of a back disc in the brake drum (1).
2. The dual braking device for an automobile brake of claim 1, wherein: the two ends of the main oil cylinder (2) and the auxiliary oil cylinder (3) are provided with ejector rods, and the main oil cylinder (2) and the auxiliary oil cylinder (3) are communicated with an automobile hydraulic system.
3. The dual braking device for an automobile brake of claim 1, wherein: the brake blocks (12) on the inner wall of the brake drum (1) are arc blocks with 90 degrees of radian.
4. The dual braking device for an automobile brake of claim 1, wherein: the outer brake shoes (4) and the inner brake shoes (5) are provided with hook grooves, and corresponding reset spring columns are hooked in the hook grooves between the two groups of outer brake shoes (4) and the inner brake shoes (5).
5. The dual braking device for an automobile brake of claim 1, wherein: the overall specification of the brake drum (1) is the same as that of a traditional brake drum.
6. The dual braking device for an automobile brake of claim 1, wherein: the outer brake shoe (4) and the inner brake shoe (5) are assembled on a backboard on the inner side of the brake drum disc (1) through screws with springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321433114.6U CN220410528U (en) | 2023-06-07 | 2023-06-07 | Dual braking device for automobile brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321433114.6U CN220410528U (en) | 2023-06-07 | 2023-06-07 | Dual braking device for automobile brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220410528U true CN220410528U (en) | 2024-01-30 |
Family
ID=89649091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321433114.6U Active CN220410528U (en) | 2023-06-07 | 2023-06-07 | Dual braking device for automobile brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220410528U (en) |
-
2023
- 2023-06-07 CN CN202321433114.6U patent/CN220410528U/en active Active
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